我這樣的寫法可以嗎？一會字符串一會常量

char?today='日';????????
switch(today){????????????
????case?'一':????????????
????case?'三':????????????
????case?'五':????????????????
????????System.out.println("早餐吃包子");
????????break;????????????
????case?2:????????????
????case?4:????????????
????case?6:????????????????
????????System.out.println("早餐吃油條");?
????????break;???????????
????default:????????????????
????????System.out.println("吃主席套餐");????????
}